Senior DevOps Engineer

Hex Trust

. Architect, provision, and maintain multi-region AWS cloud environments alongside on-premises virtualized infrastructure using declarative Infrastructure-as-Code with Terragrunt.

Posted 11/5/2026full-timeHo Chi Minh City • VietnamSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting and managing multi-region AWS cloud environments and Kubernetes clusters, with a strong focus on Infrastructure-as-Code using Terragrunt and Terraform. Proficient in deploying blockchain nodes and implementing security controls while ensuring high availability and performance in cloud workloads.

Highest-signal resume keywords

AWS Cloud ArchitectureKubernetes Cluster ManagementInfrastructure-as-Code with TerragruntBlockchain Node DeploymentDevOps/SRE Practices

ATS Keywords

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Hard Skills

Linux/Unix Systems EngineeringTerraformKubernetesHelmKustomizeGitOpsTCP/UDPPostgreSQLDockerEBPF

Tools & Technologies

ArgoCDCrossplaneProxmoxVMware ESXiKVMTcpdumpWiresharkRedisKafkaAIOps Tooling

Industry Keywords

Cybersecurity PracticesSOC 2 ComplianceISO 27001 ComplianceThreat ModelingPenetration TestingHigh-Volume TransactionsLayer 1 ProtocolsLayer 2 ProtocolsMicroservicesCloud Security

Tech Stack

Tools & technologies

AWSCloudCyber SecurityDNSGRPCKafkaKubernetesLinuxMariaDBMicroservicesMongoDBMySQLPostgresRedisTerraformUnixVMware

About the role

Key responsibilities & impact

Architect, provision, and maintain multi-region AWS cloud environments alongside on-premises virtualized infrastructure using declarative Infrastructure-as-Code with Terragrunt.
Manage, harden, and scale production-grade Kubernetes clusters.
Implement advanced ingress controllers, service mesh, Helm/Kustomize packages, and GitOps pipelines using ArgoCD and Crossplane.
Deploy, administer, and maintain dedicated blockchain nodes, including RPC, validator, archive, and sentry nodes across multiple Layer 1 and Layer 2 protocols.
Ensure blockchain data synchronization, high availability, and network health.
Enforce cloud and container security controls, including Kubernetes network policies, IAM least-privilege models, secrets management, Kubernetes/Linux/AWS security controls, and automated vulnerability scanning.
Integrate AI and AIOps tooling into observability suites for intelligent anomaly detection, automated log parsing, and rapid root-cause analysis.
Performance-tune microservices and cloud workloads for spikes in high-volume, low-latency financial transactions.
Partner with engineering teams to streamline delivery pipelines, drive zero-downtime reliability, and maintain secure, high-performing custody platforms.

Requirements

What you’ll need

6–10 years of experience in Linux/Unix systems engineering, cloud architecture, and modern DevOps/SRE practices.
Production-grade expertise deploying and managing Kubernetes clusters (EKS / bare-metal), Helm, Kustomize, service mesh, and GitOps tooling (ArgoCD).
Deep hands-on experience using Terraform and Terragrunt, following modular, DRY configuration patterns.
Ability to understand at least one modern programming language with harness engineering skills.
Extensive production experience in AWS, paired with practical exposure to on-prem virtualization platforms such as Proxmox, VMware ESXi, or KVM.
Strong grasp of OSI layer fundamentals, including TCP/UDP, BGP, DNS, TLS/mTLS, HTTP/gRPC.
Comfort debugging live traffic issues using tcpdump, Wireshark, and eBPF.
Operational familiarity with PostgreSQL, MariaDB/MySQL, MongoDB, Redis, and Kafka, including replication, failover strategies, and backup pipelines.
Eligible to work in Vietnam.
Bonus: cybersecurity practices, threat modeling, penetration testing remediation, SOC 2/ISO 27001 compliance standards, or HSM/KMS cryptographic infrastructure.
Bonus: experience running, securing, and maintaining blockchain nodes, including Ethereum, Bitcoin, EVM/Cosmos-based chains, or Solana.

Benefits

Comp & perks

Generous Amounts of Paid Time Off (incl. leave for Birthdays, Work Anniversary, and Mental Health etc.)
Access to Corporate Discounts and exclusive Employer Perks
Medical & Retirement Plans
Professional Learning and Development Opportunities
Elevate your work using cutting-edge technology
Fun & friendly office spaces
Regular company & social events
Supportive & inclusive environment
Personal and professional growth opportunities